1. What is the primary benefit of utilizing search engine optimization (SEO) in digital marketing? - A) To increase brand awareness - B) To generate high-quality traffic to a website - C) To reduce the cost of customer service - D) To directly sell products online Answer: B) To generate high-quality traffic to a website Rationale: SEO is primarily used to improve a website's visibility in search engine results, which leads to an increase in high-quality traffic. 2. Which metric is most important when evaluating the success of an email marketing campaign? - A) Delivery rate - B) Open rate - C) Click-through rate - D) Unsubscribe rate Answer: C) Click-through rate